Home / 30,051.47-45,077.15-11,335.71

Finding the Fourth Proportional to 30,051.47, 45,077.15 and 11,335.71

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Solution

The fourth proportional to 30,051.47, 45,077.15 and 11,335.71 is: 17,003.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,051.47 : 45,077.15 = 11,335.71 : x
  2. Step 2: Convert to fraction form
    30,051.47/45,077.15 = 11,335.71/x
  3. Step 3: Cross multiply
    30,051.47x = 45,077.15 × 11,335.71
  4. Step 4: Simplify right side
    30,051.47x = 510,981,500.03
  5. Step 5: Solve for x
    x = 510,981,500.03/30,051.47
  6. Step 6: Final answer
    x = 17,003.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.